fuel issue

So I bought a 2000 ford ranger 2.5l and it had a blown motor, so I found a lower mileage junk yard motor and put it in. when it first fires up it runs super rough for about 2-3 minutes. STFT 0.0 LTFT 0.0 then it begins to lean out until STFT reaches + 42.2% I’m having trouble getting it to...

Hey guys, so I’m running a 2.3, 4 cylinder, manual transmission Ranger and the truck keeps dying on me. Recently I’ve had to replace the ICM since my old one burned out. After changing it out I was given codes for HEGO being too rich. Normally I can just pop the clutch and it’ll get started...

so i have had no avail to this truck its been one thing after another first the whole thing dies then after new eec it started running fine till the other day when i went to fill up and i go to start it and nothing. i get off work and go back to it and it starts fine but only when the motor is...

I have a 1988 bronco 2 and it is running really weird, it idles not to bad in park but there is still a misfire but as soon as I put it into drive it bogs down doesn't like to go it sputters when I press on the gas and if I stop at a stop sign or street light it dies. I took it to a shop and...

Its been running fine other than idling a little high (2.9 liter EFI 5 speed stick - about 1200/1400 in neutral or with clutch depressed). Starts easily when cold, but when warm is a little harder to start and seems to 'miss' a little at first, then smooths out. Today after driving about 40...

i have an 88 ranger 2.9v6 the idle jumps around like crazy not sure what the problem is maybe injectors? when the truck gets warm it doesn't do it as much. if anyone has some input on this i would greatly appreciate it :) ive replaced the inline fuel pump, pressure regulator, TPS (Throttle...